I have an 09 335i with 17K miles.
You should have them check the HPFP. I've had 3 of them replaced. Make sure you have the latest firmware. It takes something like 6 hours for them to program. The HPFP is covered to 10 years or 120K miles I believe but you should have them check it out nonetheless. I've also had the fuel injectors replaced. The Logic7 stereo needed to be fixed. I've had tons of things go bad on my car in a short span of time.
I would also listen closely to the engine. If you hear a ticking sound, you'll need to get that looked at too. My car ticks very loudly but I've been too lazy to bring my car to the dealer (it's over 30 miles away).
I'm not sure where you live but like it was mentioned before RFT are pretty bad. They are also very expensive. If you have a lot of potholes in your area, watch out. I've popped 5 of them. Once I wrecked both tires on the driver's side on one hole. It sounded like an explosion. I was lucky I had tire insurance bc it would have cost me over $900. And again, either get a small spare or a repair kit. I got unlucky with a snow tire I was using and had a sidewall tear once so I couldn't use the kit but it may come in handy.
If you can overlook those issues, the car is a blast to drive. It's no TA but it's got some good performance and is very refined. I've put a lot of extra stuff in my car like LED Angel Eyes, M3 spoiler, M-tech rear diffuser, M3 6 speed shift knob, black grills, yellow fogs and a few other things I can't remember. When your car goes off warranty SSSnail mentioned the JB3 (Juicebox3). That might be a nice mod to your car. It will seriously improve your engine HP and make it faster than a stock M3. Since you are looking at a Xi model, you may want to look at getting new suspension parts to make it a little more sporty.
You should check out the E90post Xi forums for more info.
Here are some pics of my car:
Standard AE vs white AE and black grill.
Rear
You should have them check the HPFP. I've had 3 of them replaced. Make sure you have the latest firmware. It takes something like 6 hours for them to program. The HPFP is covered to 10 years or 120K miles I believe but you should have them check it out nonetheless. I've also had the fuel injectors replaced. The Logic7 stereo needed to be fixed. I've had tons of things go bad on my car in a short span of time.
I would also listen closely to the engine. If you hear a ticking sound, you'll need to get that looked at too. My car ticks very loudly but I've been too lazy to bring my car to the dealer (it's over 30 miles away).
I'm not sure where you live but like it was mentioned before RFT are pretty bad. They are also very expensive. If you have a lot of potholes in your area, watch out. I've popped 5 of them. Once I wrecked both tires on the driver's side on one hole. It sounded like an explosion. I was lucky I had tire insurance bc it would have cost me over $900. And again, either get a small spare or a repair kit. I got unlucky with a snow tire I was using and had a sidewall tear once so I couldn't use the kit but it may come in handy.
If you can overlook those issues, the car is a blast to drive. It's no TA but it's got some good performance and is very refined. I've put a lot of extra stuff in my car like LED Angel Eyes, M3 spoiler, M-tech rear diffuser, M3 6 speed shift knob, black grills, yellow fogs and a few other things I can't remember. When your car goes off warranty SSSnail mentioned the JB3 (Juicebox3). That might be a nice mod to your car. It will seriously improve your engine HP and make it faster than a stock M3. Since you are looking at a Xi model, you may want to look at getting new suspension parts to make it a little more sporty.
You should check out the E90post Xi forums for more info.
Here are some pics of my car:
Standard AE vs white AE and black grill.
Rear
Last edited: